[Octave-bug-tracker] [bug #52617] configure finds java-9 too old

[Rik]

Update of bug #52617 (project octave):

                  Status:                    None => Need Info              

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Follow-up Comment #1:

The code that checks version numbers in configure.ac is

  ## Check Java version is recent enough.
  AC_MSG_CHECKING([for Java version])
  java_version=[`"$JAVA" -version 2>&1 | $SED -n -e 's/^[^ ]*
version[^0-9"]*"\([^"]*\)"/\1/p'`]
  AC_MSG_RESULT([$java_version])
  java_major=[`echo $java_version | $SED -e
's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\)\..*$/\1/'`]
  java_minor=[`echo $java_version | $SED -e
's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\)\..*$/\2/'`]
  if test $java_major -ge 1 && test $java_minor -ge 5; then
    :  # Version is ok.  Do nothing.
  else
    warn_java="Java version is too old (< 1.5).  Octave will not be able to
call Java methods."
    break
  fi


In config.log, do you have "checking for Java version"?  An extract of my
config.log is shown below.


configure:74954: result: /usr/lib/jvm/java-8-openjdk-amd64/bin/jar
configure:74969: checking for Java version
configure:74972: result: 1.8.0_151
configure:75023: checking for libjvm.so


Version is 1.8.X.  What does


java -version


on the command line return?


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